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Home › GMC › 1993 › Jimmy Base, 2D Utility, 4.3 Z, 4WD, Automatic › Repair and Diagnosis › Engine Performance › System › Engine Controls - System/Component Tests › Fuel System (Gasoline) › Fuel Control › Oxygen Sensor

Oxygen Sensor

See ENGINE SENSORS & SWITCHES .

NOTE: If injectors are dirty, they should be cleaned using approved injector cleaning procedure before performing PFI INJECTOR BALANCE TEST below.
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